Assuming 100% dissociation, calculate the freezing point (Tf) and boiling point (Tb) of 2.17 m Na2SO4(aq).

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 128IP: Some nonelectrolyte solute (molar mass = 142 g/mol) was dissolved in 150. mL of a solvent (density =...
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Assuming 100% dissociation, calculate the freezing point (Tf) and boiling point (Tb) of 2.17 m Na2SO4(aq).

Colligative constants can be found in the chempendix.

Constants for freezing-point depression and boiling-point elevation calculations at 1 atm:
Kf value* Normal freezing K , value Normal boiling
(°C/ m )
Solvent
Formula
(°C/ m )
point ( °C)
point ( °C)
water
H 20
1.86
0.00
0.512
100.00
benzene
C 6 H 6
5.12
5.49
2.53
80.1
суclohexane C6 Н 12
C 2 H 6 0
20.8
6.59
2.92
80.7
ethanol
1.99
-117.3
1.22
78.4
carbon
CCI 4
29.8
-22.9
5.03
76.8
tetrachloride
camphor
С 10 Н 160 37.8
176
Transcribed Image Text:Constants for freezing-point depression and boiling-point elevation calculations at 1 atm: Kf value* Normal freezing K , value Normal boiling (°C/ m ) Solvent Formula (°C/ m ) point ( °C) point ( °C) water H 20 1.86 0.00 0.512 100.00 benzene C 6 H 6 5.12 5.49 2.53 80.1 суclohexane C6 Н 12 C 2 H 6 0 20.8 6.59 2.92 80.7 ethanol 1.99 -117.3 1.22 78.4 carbon CCI 4 29.8 -22.9 5.03 76.8 tetrachloride camphor С 10 Н 160 37.8 176
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